Parasitic Wood Wasp vs Banded Hairstreak

Side-by-side species comparison

Attribute Parasitic Wood Wasp Banded Hairstreak
Scientific Name Orussus abietinus Satyrium calanus
Order Hymenoptera Lepidoptera
Family Orussidae Lycaenidae
Size 8-14 mm 25-32 mm wingspan
Habitat Woodlands Woodlands
Diet Parasitoids Nectar Feeders
Regions Europe, Western Asia Eastern United States and southeastern Canada
Conservation Least Concern Least Concern

Parasitic Wood Wasp

A small, dark-bodied wasp-like insect with a flattened head and short antennae inserted below the eyes. It is among the most primitive parasitoid Hymenoptera.

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Did You Know?

Orussidae are considered the evolutionary link between sawflies and parasitoid wasps, making them key to understanding Hymenoptera evolution.

Banded Hairstreak

A small dark brown butterfly with conspicuous bands of white-edged dark dashes on its hindwing underside. It has a short thin tail and a small orange spot near the tail.

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Did You Know?

It rubs its hindwings together after landing, moving the tails to mimic antennae and trick predators into attacking the wrong end.